<div style="height: 100%; box-sizing: border-box; padding-top: 45px">
    <div id="myGrid" style="height: 100%"></div>
</div>
<div style="position: absolute; top: 0; left: 15px">
    <button onclick="onUpdateOneValue()">Update One Value</button>
    <button onclick="onExpireValueCache()">Expire Value Cache</button>
    <button onclick="onRefreshCells()">Aggregate Data & Refresh Cells</button>
</div>
